So, what is? Popular Mechanics recently linked up with auto analyst Tom Libby from IHS Automotive to do an extensive study on which cars are most popular in each of the 50 states, finding their 'unofficial state car.'

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According to Libby, in the Mile High State, it's the Nissan XTerra, which he says 'sells at 524 percent the national average.' Now that he mentions it, I do see a lot of those around.